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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-10918) JMXJsonServlet fails when used within Tomcat
Date Tue, 05 Aug 2014 21:01:12 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-10918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alejandro Abdelnur updated HADOOP-10918:
----------------------------------------

       Resolution: Fixed
    Fix Version/s: 3.0.0
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

Committed to trunk.

> JMXJsonServlet fails when used within Tomcat
> --------------------------------------------
>
>                 Key: HADOOP-10918
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10918
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.4.1
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>             Fix For: 3.0.0
>
>         Attachments: HADOOP-10918.patch, HADOOP-10918.patch
>
>
> {{JMXJsonServlet.doGet()}} has the following check:
> {code}
>       if (!HttpServer2.isInstrumentationAccessAllowed(getServletContext(),
>                                                      request, response)) {
> {code}
> Loading the class {{HttpServer2}} triggers loading Jetty specific classes:
> {code}
> SEVERE: Servlet.service() for servlet jmx-servlet threw exception
> java.lang.ClassNotFoundException: org.mortbay.jetty.servlet.Context
>         at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
>         at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
>         at org.apache.hadoop.jmx.JMXJsonServlet.doGet(JMXJsonServlet.java:157)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
>         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
>         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>         at org.apache.hadoop.crypto.key.kms.server.KMSMDCFilter.doFilter(KMSMDCFilter.java:84)
>         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>         at org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:438)
>         at org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticationFilter.doFilter(DelegationTokenAuthenticationFilter.java:255)
>         at org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:408)
>         at org.apache.hadoop.crypto.key.kms.server.KMSAuthenticationFilter.doFilter(KMSAuthenticationFilter.java:128)
>         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
>         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
>         at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
>         at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
>         at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
>         at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
>         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
>         at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
>         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
>         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
>         at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
>         at java.lang.Thread.run(Thread.java:695)
> Jul 31, 2014 2:46:24 PM org.apache.catalina.core.StandardWrapperValve invoke
> {code}
> Because of this the JMX servlet fails to work in KMS



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